echo Html::submitInput('Save', ['class' => 'btn btn-primary']);
echo Html::submitInput('Update', ['name' => 'update-button', 'value' => $model->id]);This code will generate an HTML form submit button with the label "Update", and set the "name" attribute to "update-button" and the "value" attribute to the ID of the current model. This can be useful for submitting a form with specific data. This method is also provided by the Yii Framework package.